Mossberg 500 trigger safety. . When the safety is engaged it mates against the top of the trigger block and stops the movement of the trigger. Upgrade your Mossberg 500 with top-notch safety kits like the Enhanced Slide Safety and NDZ Mossberg 500 Safety Switch. Nov 24, 2015 · After firing a few hundred rounds the screw backs off and you're back to the same sloppy trigger. When you squeeze the trigger, it goes up. There's a tab on the trigger assembly that needs to mate with the safety. The worst part, though, is the folks who insist on pulling the trigger harder to see if it'll work and they hear a tiny "click" as the safety connector tab snaps off in the trigger group. If the trigger adjustment screw is too far out of adjustment, it will cause the trigger block tab (vertical post on trigger group) to interfere with the safety. However, it’s crucial to ensure that the replacement safety functions correctly and does not render the firearm unsafe or non-compliant with any federal, state, or local laws. Turning the screw also raises what I'll describe as a trigger block. Try just a quarter turn out then reassemble and see if that fixes it. Feb 5, 2025 · Generally, yes, it is legal to change the safety on your Mossberg 500. The problem you're getting is caused by that piece (13) being too high. The NDZ Enhanced Safety Selector replaces the factory plastic safety with an all aluminum part that has a CNC machined profile just like the factory part for a 100% direct fit. Shop now on eBay for the best deals! Jan 1, 2022 · There are diagrams of them by searching Mossberg 500. May 19, 2011 · That sticks the stock bolt into the path of the safety connector and blocks the trigger from being pulled. You can lower or raise it with a set screw (70) above the trigger just in front of #13. tde cslaza qal qztyq clwny ahskqvb soxspt wtzwg pfwgkv rvdzef